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The muscular system is a crucial part of the human body, comprising over 600 muscles that enable movement and support bodily functions. It consists of three types of muscles: cardiac, skeletal, and smooth. Did you know it takes 17 muscles to smile and 42 to frown? The eye contains the hardest working muscle. This system plays a vital role in activities involving the legs, arms, heart, and even the brain. Learn more about the muscular system and its significance for overall health at KidsHealth.
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MUSCULAR SYSTEM By: Mason Askren
organs • Cardiac muscles • Skeletal muscles • Smooth muscles
More info • There are more than 600 muscles in your body • It takes 17 muscles to smile and 42 to frown • The hardest working muscle is in the eye • http://kidshealth.org/kid/htbw/MSmovie.html
Important to body • Legs • Brain • Arms • Heart • veins
Resources • Muscular system • Nervous system